Thinning and improvement cuttings, Petawawa Experimental Forest
- HF-ID: HFH-0066
- Category: Visual Materials
- Creator: Dominion forest Service, Dept.of Mines and Resources
- Date: 1918, 1919, 1926, 1931, 1932, 1934, 1935, 1940, 1941
- Location: Petawawa Research Forest (Ontario)
- Media: Photographs
- Contents:
- 15 black and white photos: 3461, 3462, 3463, 3464, 3465, 3466, 3467, 3468, 3469, 3470, 3471, 3472, 3473, 3474, 3475 - 3.25"x5.5", 3.5"x5.5", 4.75"x6.75".
- Keywords: silviculture, thinning
- Abstract:
- Petawawa Experimental Forest, Ontario, Canada. Silviculture - Thinning and Improvement Cuttings.
- 3461. Balsam fir on dry site.
- 3462. Conifers - 66 years old, 23 years after thinning.
- 3463. Red and white pine, 43 years old, prop. thinned.
- 3464. Red and white pine, 43 years old, prop. thinned.
- 3465. White and red pine, 58 years old.
- 3466. Aspen, 40 years old, 5 years after thinning.
- 3467. Aspen, 35 years old, heavily thinned.
- 3468. White and red pine, 46 years old, lightly thinned.
- 3469. White and red pine, 51 years old, trees blazed before second thinning.
- 3470. White and red pine, after second thinning.
- 3471. White and red pine, 61 years old, ten years after second thinning.
- 3472. Red pine -crown thinnning.
- 3473. Mixed stand, thinned, 40 years old.
- 3474. Mixed stand, thinned, 40 years old.
- 3475. Mixed stand 1940, 22 years after establishment.
- Archives Location: Historical Photographs Box 1, Thinning and Improvement Cutting
- Access: Active
- Administrative Notes:
- Original HF-ID: 3461p/3462p/3463p/3464p/3465p/3466p/3467p/3468p/3469p/3470p/3471p/3472p/3473p/3474p/3475p